2025yyd results

Information

Transient
Name:AT2025yyd
Right ascension: 23h37m29.92s
Declination:-7d44m57.93s
Discovery Date:Sept. 29, 2025, 12:44 a.m.
Classification:None
Redshift:None
MW E(B-V):0.025
Host
Name:
Right ascension: 23h37m29.92s
Declination:-7d44m57.98s
Redshift:None
Photometric Redshift:0.154
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
GALEX_NUV
GALEX_FUV
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_r
DES_z
 DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 18.68
Transient MWEBV processed 0.04
Host match processed 6.08
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 2.71
Global aperture photometry processed 7.08
Validate global photometry processed 18.02
Global host SED inference processed 526.86
Local aperture photometry processed 7.13
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):23h37m29.89s, -7d44m57.85s
semi major axis, semi minor axis (arcsec):5.86, 2.52
angle (degrees, anti-clockwise from east):-22.31
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.21 0.42 22.338 0.107 AB
GALEX_NUV 4.65 0.37 22.232 0.087 AB
SDSS_u 25.46 3.97 20.385 0.169 AB
SDSS_g 12.47 1.55 21.160 0.135 AB
DES_g 16.72 0.35 20.842 0.023 AB
PanSTARRS_g 12.94 1.07 21.121 0.090 AB
SDSS_r 20.04 2.29 20.645 0.124 AB
PanSTARRS_r 23.36 0.81 20.479 0.038 AB
DES_r 27.79 0.61 20.290 0.024 AB
SDSS_i 26.49 3.46 20.342 0.142 AB
PanSTARRS_i 30.32 1.09 20.196 0.039 AB
PanSTARRS_z 31.2 2.58 20.165 0.090 AB
SDSS_z 49.36 12.44 19.667 0.274 AB
DES_z 34.36 1.36 20.060 0.043 AB
PanSTARRS_y 3.87 6.81 22.429 1.907 AB
2MASS_J 151.6 98.74 17.553 0.707 Vega
2MASS_H 316.76 147.41 16.281 0.505 Vega
2MASS_K 42.18 198.12 17.999 5.099 Vega
WISE_W1 12.74 6.43 18.438 0.548 Vega
WISE_W2 1.6 10.77 20.050 7.302 Vega
WISE_W3 11.89 76.39 16.038 6.975 Vega
WISE_W4 603.21 548.59 10.329 0.987 Vega
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.829 9.317 9.559
{\rm log}_{10}({\rm SFR}) 0.109 0.523 0.875
{\rm log}_{10}({\rm sSFR}) -9.354 -8.789 -8.039
{\rm stellar\ age} 0.568 5.553 7.483

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.512 -0.527 -0.062
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.342 -0.300 0.227

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.243 0.680 1.161
\delta -0.259 0.130 0.289
\tau_1/\tau_2 0.717 1.217 1.652
Q_{PAH} 0.777 2.093 4.220
U_{min} 3.350 9.003 16.747
{\rm log}_{10}(\gamma_e)\, -2.856 -1.596 -0.578

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.237 -1.190 -0.385
{\rm log}_{10}(\tau_{AGN})\, 0.963 1.354 1.741

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.656 -0.128 0.310
0.03-0.10 Gyr 0.210 0.635 1.010
0.10-0.32 Gyr -2.799 -0.916 -0.065
0.32-1.03 Gyr -4.264 -1.405 -0.629
1.03-3.31 Gyr -3.962 -1.139 -0.541
3.31-10.63 Gyr -3.306 -0.804 -0.334
10.63-11.81 Gyr -3.156 -0.637 0.150